Phonograph.



made tonne hundred andtwenty,I forty, and

, minutes.

quickly and accurately regulate t 55 accomplished UNITED STATES PATENT f OFFICE.

HENRY G. BAUMAN, OF PITTSURG.' PENNSYLVAMA.

' i i PHoNoeRAPl-l.

To all whom it may concern.-

citizen of.the United States of America, residing at- Pittsburg, in thel county of Allegheny'. and' State of Pennsylvania, have -invvented certain new and useful lm rovements inPhOnO'graphS, of whichthe fo lowing is a specicatlomreference being hadjthere'in to t e accompanying drawings.

This invention relates to certain new and graphs, graphophones, land like repro ucing-l The primary ,object of this invention isy to. provide a speed or revolution'indicator` for phonograp'hs or like machinesk that will adniousrendition of the music" or speech in reproduction. To this end my invention aims to provide a simple,inexpensive, and durable indicator Vor register for phonographs that canbereadapplied to the present` typeof phonogra hs by unskilled persons, thus permitting of t e owners of. phonogia hs obtaining the indicators and ap lying t em' for the pur- 4posesabove s eci ied. l y

It is'a wel -known-iactthat records are sixty revolutions. This makes it necessary to Aadjust the machine so it will travel or l carry the speaker-arm to 'some given dis-- tances inseconds and to other distances'in With my improved indicator attached tothe phonograph the o erator can e speakerarm to. make the proper number of revolutions, no matter at what speed the. record was recorded. e

. While the speed at which the record is made is known to the urchaser, there is no indicating device on t e machine to show at what 'speed or number of revolutions the spindle is `making, and While the machine maybe regulated to a faster or slower speed itis necessary to use a device to indicate and regulate the revolutions to the same speed required to reproduce as that which was used in making the record. i' I My improved indicator permits o f a clear rendition of the piece of music being repro-f. duced b v the honograph-record, this be' l Il) observing the number o revolutions or t e speedy at which the record seec'iacatiopf Letters Patent. kApplicaremea retrmy ze, iena. lserial No. 302,988.

I traveled when receiving the Be it'lmown that I, HENRYl G. BAUMAN, a

useful improvements in indicators for' honowith an outwardly-extendm Patented Jan. 22, 190'?.A

iece of music, and When the record 1s place upon a phono--` graph equipped with my improved inc-l-icatorA the indicator will designate the speed at which the record should travel in order 'to correctly reproduce the pieceof music carried -by the record. l

' With-the above and other'objects in view, 'which will mrereadily appear as the naturel of the invention is better understood the same consists in the'novel construction, combination,. and arrangement vof parts to be hereii'iadter more'ully described and claimed,- and, referring to the drawings accompanying Ythis application, like numerals of'reference vdesignate corresponding parts throughouty the several views, in Whichy Figure 1 is a front elevation-of the sliderest of, a phonograph equipped with my improved. indicator, also illustrating a portion of the'speaker-arm. Fig. 2 is a vertical sem tional'view of the same. .Fig is a plan of the indicatorlate. Fig. 4 is anend view of the. same. ig. 5 is a side elevation of a pointer used in connection .withthe indicator. slightly-modified form of construction. Fig. 7 is a' developed view of the .indicator-plate.

Fig. 6 is a similar view illustrating a Fig. 8 is a similar view of the indicator- 85 forni of indlcator. vFi 10 is a .developed view of the indicator il ustrated in Fig. 9 of the drawin s. Fig. V1'1 is an end vieuY of the indicator-p ate illustrated in Fi l of the drawings, illustrating a slight4 -niodiied Jform oiD fasteninr means used in connection with the same. )Fig 12 is a longitudinal sectional .,view of the slide-rest'and indicator illustrated iuFig.v 9 of the drawings. Fig. 13 is 'a rear elevation of the indicator-plate illustrated in Figs. 9 and 12 ofthe drawings'. ln the Aaccompanying drawings I .have illustrated the bedlate l of a phonograph as having anelevate slide-rest 2. In connection with the bed-plate and the slide-rest I liavealso illustrated the usual arm and diaphragm 3 of a phonograph, commonly known as the speaken tThe speaker is provided 1 arm 4, the rear ytace of which is provided with a roller 5, that -travels upon the to edge of the slide-rest when the phonograp Ais m operation'. Thr`V armla is also provided with an outwardly- .extending han le 6, by which the speaker is ICO manipulated when out`of engagement with.

the record of the phonograph.

My invention resides in providing the slide-rest with an indicator?, the indlcator being constructed of admet-anic plate 8, carrving side pron s 9 9 at each'end thereof.

rIhe side of thep ate8 opposite the prongs 9 9 is notched, as at 10, 11,l 12, and 14.- This side of the plate is bent at riehtangles'to form a ange 15, as clearly illustrated in Figs. 1, 2, and 4 of the drawings. The prongs 9 9 are bent rearwardly and upwardly to embrace the lower edge of the slide-rest,

the extreme end of the prongs being curved, as at 16 16 to engage against the rear side of the slide-rest 2. The prongs 9 9 are made resilient, whereby they will lirmly embraceone and siii-tenths inches wil `represent one hundred and sixty revolutions per minute of the phonograph-record, one and four-tenths inches will represent one hundred and forty revolutions in iii'ty-two and one-half seconds, and one and'two-tenths inches will represent one hundred and twenty revolutions in forty-five seconds. The graduations corresponding to the notches l1, l2, and 14 are marked 120;7 140, and 160,

respectively,

while upon the plate are printed the words "Revolutions in 45 seconds, 52% seconds, and 1 minute, suitable arrows or dashes being printed upon the plate to indicate that the 45 secondsI designates one hundred and twentyrevolutions, seconds designates one hundred and forty revolutions, and 1 minute" designates one hundred and sixty revolutions.

In connection with the speaker-arm 4 I use a metallic pointer 19, said pointer .being constructed to ferm a yoke havin ing needle 20, adapted to trave upon the front edge of the flange 15 of the-indicatorplate. In this instance. the pointer 19 has its upper end curved, as at 2l, in order that it may'be clamped upon the speaker-arm; but a set-screw 22 (see Fig. 6) can be readily used for clamping the pointer thereon.

When a phonograph is in operation, the s' eaker-arm is adapted to carry the needle 2() a ong the indicator-plate, and by observing said plate it can be determined whether the phonograph is properly operated -to 4reproduce a clear interpretation of the piece of music of the phonograph-record. In'hplacing thepointer 19 upon thc speaker-arm I arrange the needle .thereof whereby it will .a dependengage the front edge of the flange 15 of the and .14 it will recede into one of said notches I and create a click or noise which will attract thel operators attentionr in order that the number of revolutions at lwhich the machine is traveling may be observed.

In Fig. 1 of the drawings I have illustrated a telegraph-sounder 23 as being used in connection with the indicator-plate, whereby the sounder may give alarm when the needle has reached either ot the notches 11, 12, or 14. To accomplish this, a suitable insulation 24 is inserted between the slide-rest 2 and the indicator-plate, and a wire 25 is connected to the indicator-plate and to the sounding instrument, while another wire 26 connects the instrument with a battery 27 and the baseplate 1 ofthe machine. In lieu of the soundmg instrument 23 an electric bell may be used. i

In Figs. 9, 10, 12, and. 13 I have illustrated a portion of the phonograph as having an integral base-plate 1 and a slide-rest 2. I have therefore devised an indicator-plate 28 similar in construction to the plate heretofore described,` with theexceptlon that the lugs 9 9 are formed at the end of the plate,

whereby said lugs may be bent around the end of a slide-rest to retain the indicatorplate in position upon said rest, otherwise the plate being identical in construction to' the indicator-plate heretofore described, and illustrated in Fig. 1 of the drawings.

From the foregoing description, taken in connection withv the rawings, it will te Observed that my improved indicator kis extremely simple in construction and can be 'readily apphed to various forms of phonographs by unskilled labor, and by observing the indicator and regulating the governor or' the phonograph in accordance therewith a correct renditlon or interpretation of a record of music can be obtained.

The click or noise created by the needle r'ecedinginto one of the notches ofthe indicator-plate permits of the operator giving his entire attention'Y to the watch or timepiece when timing the speaker-arm, making 1t unnecessary to observe the indicator-plate and watch at the same timeto see when the needle arrives at the starting-point 'or one ot' the notches for the finish. Thegraduations of the indicator-plate are arranged in tenths, and twelve tenths of an inch lare ada ted to indicate that the record has trave ed one hundred and twenty revolutions in forty-five seconds, and should the catalogue of the records state that a record is to travel one hundred and sixty revolutions the machine can be easily and quickly adjusted to permit of a clear rendition or interpretation ol the record. The'telegraph-sounder is used for the sa e purpose, so thatA the click of the needle ma. f be electrically or mechanically indidated.

roo

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' ters Patent, ifs-4` 4 Y. departing from the spirit and scopeof the in' formed therein, and. graduatons*i arranged thereonadfapted to indicate the movement of Such changes in the construction and opeal,

tion olI the indicator as are permissible by the appended claims maybe resorted to Withot vention.

What I claim, and desire to si'ecu're by'Let- 1. The combination withtlie slidcliest and` speakera'rm of a phonograph, of a depending needle 'detachablyf connectedJ tov saidwspeaker; arm, a graduatedplate connected'to saidsliderest and in circuit with a battery and sonnder,

means carried bysaid speaker-armto desig- Lnatenpcn.A said "plate the rapidity, at which 'substantially as desaidjneedle, substantially as described.

3. In an indicator, the combination Withl` I' the speaker-armi. and: slide-rest. of a heno: w

graph, of a graduated plate detachab-y com; ne'cted to said slide-rest ,a dpendinfr needle' detachably connect d tosa1d `speallier-afin and adapted to engage said plate, and means to 'sound an-alarin when sald-needle reaches A certaln p gradnations, substantially 'as de- 4."'In an yindicator,the combination with the slide-rest and speaker-arm f'a honoan having. graduatins'yarr'anged thereon,

said arm is traveling, scribed. A i In testimony whereofvI afIiX my signature in the presence' of. two Witnesses.

graph, of a plate connected to said `sli e-rest I 

